Product images and videos are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
K&N Engineering
K&N Universal Air Filter - Round Tapered 4in Flange ID / 5.375in Base OD / 4in Top OD / 5.5in H
SKU: K001 RP-4660
Description
Part #: RP-4660
The RP-4660 Universal Air Filter is constructed from an oiled cotton filter media. It comes with a K&N embossed carbon fiber top for strength and durability. The carbon fiber element adds to the light-weight design and gives this filter a smooth glass like finish. The RP-4660 is a clamp-on filter that has an inside flange diameter of 4 inches and a flange length of 5/8 inches. The base is 5 3/8 inches and the filter height is 5 1/2 inches.
K&N Composite Top Universal Air Filters - With advanced composite technology, carbon fiber provides the ultimate in strength with minimal weight. Carbon fiber provides 1/3 less weight than a conventional filter top.
This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | K&N Engineering |
| Part Number | K001 RP-4660 |
We’re here — turning wrenches, just like you.
Call us, follow along, or come say hi.
Buy with Confidence
Returns & Fitment
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
View Full Return PolicyShipping
Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.
View Full Shipping Policy